چکیده
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Content-Aware Image Retargeting (CAIR) techniques are important in multimedia applications for displaying images on various display devices. This paper first provides a general classification of CAIR methods and then discusses them in more detail. In addition, the existing benchmark datasets are introduced, and the performance of CAIR approaches on the images of these datasets is qualitatively evaluated. Furthermore, Retargeted Image Quality Assessment (RIQA) metrics are introduced to quantitative evaluation of CAIR techniques. Finally, different RIQA metrics are compared to determine which can effectively evaluate the CAIR methods. In general, the primary purpose of this paper is to provide a comprehensive perspective of CAIR and RIQA techniques and to discuss the advantages and disadvantages of each method.
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